Knife block



FIG. 1 is a top, front, right perspective view of a knife block showing my new design;

FIG. 2 is a bottom, left, rear perspective view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the knife block that form no part of the claimed design. 

CLAIM The ornamental design for a knife block, as shown and described. 